Answer
4$m^{2}$ - 9
Work Step by Step
1. Product of the sum and difference of two terms:
(2m + 3)(2m - 3) = $(2m)^{2}$ - $(3)^{2}$
2. Solve exponents with power rules
4$m^{2}$ - 9
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.3 - Polynomials - R.3 Exercises - Page 29: 59
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